Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Joslin Field - Magic Valley Regional Airport (KTWF)

Lat: 42.4785°NLon: 114.47739°WElev: 4163.0ft.

Clear

77°F

25°C

Humidity 23%
Wind Speed SW 9 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 18 Aug 10:15 PM MDT
Extended Forecast for

11 Miles SE Hollister ID

  • Tonight

    Tonight: Mostly clear, with a low around 60. North wind around 5 mph becoming calm  after midnight.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Calm wind becoming north 5 to 7 mph in the morning.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. North northeast wind around 8 mph becoming south southeast after midnight.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny and hot, with a high near 92. South southeast wind around 9 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 65. West wind 5 to 8 mph becoming southeast in the evening.

    Low: 65 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 92.

    High: 92 °F

    Hot

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before midnight.  Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 84.

    High: 84 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 60. North wind around 5 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 87. Calm wind becoming north 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 63. North northeast wind around 8 mph becoming south southeast after midnight.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 92. South southeast wind around 9 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65. West wind 5 to 8 mph becoming southeast in the evening.
Friday
Mostly sunny and hot, with a high near 92.
Friday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 65.
Saturday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 84.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.
Sunday Night
Mostly cloudy, with a low around 58.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SE Hollister ID
 42.26°N 114.41°W (Elev. 6191 ft)
12:29 pm MDT Aug 18, 2026
10pm MDT Aug 18, 2026-6pm MDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database